From 44ad380cccc36184be13de37df701e1a1e713cf0 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Sat, 5 Feb 2022 00:32:30 -0700
Subject: Starting test suite

---
 include/graphics/lfb.h |  2 ++
 src/cpu/irq.c          |  3 ++-
 src/tests/test.c       | 23 ++++++++++++-----------
 3 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/include/graphics/lfb.h b/include/graphics/lfb.h
index b21e12b..56981d2 100644
--- a/include/graphics/lfb.h
+++ b/include/graphics/lfb.h
@@ -4,6 +4,8 @@
 #define GG_MAX_X 128
 #define GG_MAX_Y  46
 
+#define DRAW64(x,y,v) draw_hex32(x,y,v>>32);draw_hex32(x+8,y,v);
+
 void lfb_init(void);
 void lfb_showpicture(void);
 
diff --git a/src/cpu/irq.c b/src/cpu/irq.c
index 9685b0a..6d9a02a 100644
--- a/src/cpu/irq.c
+++ b/src/cpu/irq.c
@@ -1,6 +1,5 @@
 #include <cpu.h>
 #include <cpu/irq.h>
-#include <drivers/uart.h>
 #include <globals.h>
 #include <graphics/drawer.h>
 #include <symbols.h>
@@ -101,5 +100,7 @@ void handle_data(unsigned char data)
 		release_mutex(&exe_cnt_m, SYS_PID);
 	} else if (data == 0x61) {
 		add_thread(uart_scheduler, 0, 2);
+	} else if (data == 0x62) {
+		add_thread(test_entry, 0, 2);
 	}
 }
diff --git a/src/tests/test.c b/src/tests/test.c
index 247465e..f2f3e6b 100644
--- a/src/tests/test.c
+++ b/src/tests/test.c
@@ -1,17 +1,18 @@
 #include <cpu.h>
 #include <drivers/uart.h>
-
-void utime(void);
+#include <graphics/lfb.h>
+#include <lib/kmem.h>
+#include <sys/core.h>
 
 void test_entry(void)
 {
-}
-
-void utime(void)
-{
-	unsigned long long ti, tf, dt;
-	sys0_64(SYS_TIME, &ti);
-	sys0_64(SYS_TIME, &tf);
-	dt = tf - ti;
-	PRINT64(dt);
+	draw_string(0, 18, "Starting tests");
+	unsigned long long ti, tf, dt=0;
+	for(int i = 0; i < 64; i++) {
+		sys0_64(SYS_TIME, &ti);
+		sys0_64(SYS_TIME, &tf);
+		dt += tf - ti;
+	}
+	DRAW64(0, 19, dt/64);
+	DRAW64(17, 19, dt%64);
 }
-- 
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